During garbage collection extra operations were performed on a object that should not be. This could have led to a potentially exploitable crash. This vulnerability affects Firefox < 119, Firefox ESR < 115.4, and Thunderbird < 115.4.1.CreditsanbuReferenceshttps://bugzilla.mozilla.org/show_bug.cgi?id=1852729https://www.mozilla.org/security/advisories/mfsa2023-45/https://www.mozilla.org/security/advisories/mfsa2023-46/https://www.mozilla.org/security/advisories/mfsa2023-47/https://www.debian.org/security/2023/dsa-5535https://lists.debian.org/debian-lts-announce/2023/10/msg00037.htmlhttps://www.debian.org/security/2023/dsa-5538https://lists.debian.org/debian-lts-announce/2023/10/msg00042.html
